Let a graph have vertices O, P, Q, R, S, T, U, V and edge set { { O,P} , {O,Q} , {O,S} {O,T} {Q,R} {Q,T} {Q,V} {R,S} {R,V} {T,U} } a. What is the degree of vertex ? b. What is the degree of vertex ? c. How many components does the graph have?

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